Cordless telephone headset



FIG. 1 is a right side front perspective view of a cordless telephone headset showing my new design;

FIG. 2 is a front elevation view;

FIG. 3 is a left side elevation view;

FIG. 4 is a right side elevation view;

FIG. 5 is a rear elevation view;

FIG. 6 is a top plan view;

FIG. 7 is a bottom plan view; and,

FIG. 8 is a right side front perspective view thereof showing, in phantom, a telephone base supporting said cordless telephone headset therein.

The antenna has been shown broken away in FIGS. 2 and 5 for convenience of illustration. The broken line showing of FIG. 8 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a cordless telephone headset, as shown and described. 